STARLINK-5143, 54089
Orbit data source: Space-Track
STARLINK-5143, 54089 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 20 Oct 2022 UTC via an FALCON 9 launch vehicle from the Air Force Eastern Test Range (AFETR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
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54089 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK, Unknown motor
Mass
305 kg wet, ~290 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Pan, 10.1 m
Radar Cross Section
13.562 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 STARLINK-5143
1 54089U 22136AQ 26171.41300279 .00000340 00000-0 39472-4 0 9999
2 54089 53.1593 232.7354 0001164 84.5439 275.5685 15.08832755202494Epoch: 2026-06-20T09:54Z
TLE epoch observation values (Epoch: 2026-06-20T09:54:43.441Z)
Latitude
-0.00001°
Longitude
175.4264°
Altitude
540.579 km
Speed
7.593 km/s
True Right ascension
15h 30m 56s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
21:36:11
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.825 km
Perigee altitude
539.214 km
Semi-major axis
6,918.157 km
Eccentricity
0.00012
Inclination
53.1593°
RAAN
232.7354°
Arg. of periapsis
84.5439°
True anomaly
275.55522°
Mean anomaly
275.5685°
Eccentric anomaly
275.56186°
Mean motion
3.77188 °/min
Orbital period
95.44 mins
BSTAR
0.000039472
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Other satellites on launch #136 in the year 2022 (2022-10-20 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.STARLINK-5143 Visibility forecast
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Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-06-22 11:38:09.108Z | 333.287° NNW | 2026-06-22 11:41:09.108Z | 24.345° NE | 20.45° | 2026-06-22 11:44:09.108Z | 73.978° E |
| 6 mins | 2026-06-22 13:18:09.108Z | 307.017° NW | 2026-06-22 13:21:09.108Z | 162.915° S | 43.761° | 2026-06-22 13:24:09.108Z | 135.276° SSE |
| 6 mins | 2026-06-23 06:29:09.108Z | 251.289° W | 2026-06-23 06:31:09.108Z | 314.358° NW | 40.762° | 2026-06-23 06:35:09.108Z | 43.841° NE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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